1c47f85292
It is used to test haproxy's status with an HTTP request to which it will reply with HTTP/1.0 200 OK.
149 lines
6.3 KiB
C
149 lines
6.3 KiB
C
/*
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include/types/proxy.h
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This file defines everything related to proxies.
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Copyright (C) 2000-2006 Willy Tarreau - w@1wt.eu
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation, version 2.1
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exclusively.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef _TYPES_PROXY_H
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#define _TYPES_PROXY_H
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include <sys/socket.h>
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#include <common/appsession.h>
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#include <common/chtbl.h>
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#include <common/config.h>
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#include <common/mini-clist.h>
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#include <common/regex.h>
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#include <types/buffers.h>
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#include <types/session.h>
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#include <types/server.h>
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/* values for proxy->state */
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#define PR_STNEW 0
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#define PR_STIDLE 1
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#define PR_STRUN 2
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#define PR_STSTOPPED 3
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#define PR_STPAUSED 4
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#define PR_STERROR 5
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/* values for proxy->mode */
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#define PR_MODE_TCP 0
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#define PR_MODE_HTTP 1
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#define PR_MODE_HEALTH 2
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/* return codes for start_proxies */
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#define ERR_NONE 0 /* no error */
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#define ERR_RETRYABLE 1 /* retryable error, may be cumulated */
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#define ERR_FATAL 2 /* fatal error, may be cumulated */
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struct listener {
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int fd; /* the listen socket */
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struct sockaddr_storage addr; /* the address we listen to */
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struct listener *next; /* next address or NULL */
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};
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struct proxy {
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struct listener *listen; /* the listen addresses and sockets */
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struct in_addr mon_net, mon_mask; /* don't forward connections from this net (network order) FIXME: should support IPv6 */
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int state; /* proxy state */
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struct sockaddr_in dispatch_addr; /* the default address to connect to */
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struct server *srv; /* known servers */
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int srv_act, srv_bck; /* # of running servers */
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int tot_wact, tot_wbck; /* total weights of active and backup servers */
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struct server **srv_map; /* the server map used to apply weights */
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int srv_map_sz; /* the size of the effective server map */
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int srv_rr_idx; /* next server to be elected in round robin mode */
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char *cookie_name; /* name of the cookie to look for */
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int cookie_len; /* strlen(cookie_name), computed only once */
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char *appsession_name; /* name of the cookie to look for */
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int appsession_name_len; /* strlen(appsession_name), computed only once */
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int appsession_len; /* length of the appsession cookie value to be used */
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int appsession_timeout;
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CHTbl htbl_proxy; /* Per Proxy hashtable */
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char *capture_name; /* beginning of the name of the cookie to capture */
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int capture_namelen; /* length of the cookie name to match */
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int capture_len; /* length of the string to be captured */
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struct uri_auth *uri_auth; /* if non-NULL, the (list of) per-URI authentications */
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char *monitor_uri; /* a special URI to which we respond with HTTP/200 OK */
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int monitor_uri_len; /* length of the string above. 0 if unused */
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int clitimeout; /* client I/O timeout (in milliseconds) */
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int srvtimeout; /* server I/O timeout (in milliseconds) */
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int contimeout; /* connect timeout (in milliseconds) */
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char *id; /* proxy id */
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struct list pendconns; /* pending connections with no server assigned yet */
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int nbpend, nbpend_max; /* number of pending connections with no server assigned yet */
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int totpend; /* total number of pending connections on this instance (for stats) */
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unsigned int nbconn, nbconn_max; /* # of active sessions */
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unsigned int cum_conn; /* cumulated number of processed sessions */
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unsigned int maxconn; /* max # of active sessions */
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unsigned failed_conns, failed_resp; /* failed connect() and responses */
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unsigned failed_secu; /* blocked responses because of security concerns */
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int conn_retries; /* maximum number of connect retries */
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int options; /* PR_O_REDISP, PR_O_TRANSP, ... */
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int mode; /* mode = PR_MODE_TCP, PR_MODE_HTTP or PR_MODE_HEALTH */
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struct sockaddr_in source_addr; /* the address to which we want to bind for connect() */
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struct proxy *next;
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struct sockaddr_in logsrv1, logsrv2; /* 2 syslog servers */
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signed char logfac1, logfac2; /* log facility for both servers. -1 = disabled */
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int loglev1, loglev2; /* log level for each server, 7 by default */
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int to_log; /* things to be logged (LW_*) */
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struct timeval stop_time; /* date to stop listening, when stopping != 0 */
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int nb_reqadd, nb_rspadd;
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struct hdr_exp *req_exp; /* regular expressions for request headers */
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struct hdr_exp *rsp_exp; /* regular expressions for response headers */
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int nb_req_cap, nb_rsp_cap; /* # of headers to be captured */
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struct cap_hdr *req_cap; /* chained list of request headers to be captured */
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struct cap_hdr *rsp_cap; /* chained list of response headers to be captured */
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void *req_cap_pool, *rsp_cap_pool; /* pools of pre-allocated char ** used to build the sessions */
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char *req_add[MAX_NEWHDR], *rsp_add[MAX_NEWHDR]; /* headers to be added */
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int grace; /* grace time after stop request */
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char *check_req; /* HTTP or SSL request to use for PR_O_HTTP_CHK|PR_O_SSL3_CHK */
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int check_len; /* Length of the HTTP or SSL3 request */
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struct {
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char *msg400; /* message for error 400 */
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int len400; /* message length for error 400 */
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char *msg403; /* message for error 403 */
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int len403; /* message length for error 403 */
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char *msg408; /* message for error 408 */
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int len408; /* message length for error 408 */
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char *msg500; /* message for error 500 */
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int len500; /* message length for error 500 */
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char *msg502; /* message for error 502 */
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int len502; /* message length for error 502 */
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char *msg503; /* message for error 503 */
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int len503; /* message length for error 503 */
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char *msg504; /* message for error 504 */
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int len504; /* message length for error 504 */
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} errmsg;
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};
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extern struct proxy *proxy;
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#endif /* _TYPES_PROXY_H */
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/*
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* Local variables:
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* c-indent-level: 8
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* c-basic-offset: 8
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* End:
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*/
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